/Engine/Source/Editor/UnrealEd/Classes/CookOnTheSide/CookOnTheFlyServer.h
Calculate the ShaderLibrary codedir and metadatadir
void GetShaderLibraryPaths ( const [ITargetPlatform](API\Developer\TargetPlatform\Interfaces\ITargetPlatform) * TargetPlatform, [FString](API\Runtime\Core\Containers\FString) & OutShaderCodeDir, [FString](API\Runtime\Core\Containers\FString) & OutMetaDataPath, bool bUseProjectDirForDLC )